CN206937145U - A kind of engine hanging joint test fixture - Google Patents
A kind of engine hanging joint test fixture Download PDFInfo
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- CN206937145U CN206937145U CN201720806294.6U CN201720806294U CN206937145U CN 206937145 U CN206937145 U CN 206937145U CN 201720806294 U CN201720806294 U CN 201720806294U CN 206937145 U CN206937145 U CN 206937145U
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- constraint
- auricle
- mount structure
- girder construction
- test fixture
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Abstract
The utility model discloses a kind of engine hanging joint test fixture, is related to aircraft engine hanging joint design field.The engine hanging joint test fixture includes：Mount structure, the mount structure are provided with the gusset that interlocks anyhow, the groove is divided into multiple unit grooves by the gusset to have reeded shell structure in the groove；The mount structure is provided with the first constraint auricle in one end of length direction, and constrain auricle from first close to the gusset of the described first constraint auricle is gradually reduced away from the direction thickness of the first constraint auricle, and the thickness refers to the thickness in mount structure width；Girder construction, one end of the girder construction are provided with the second constraint auricle；The other end of the mount structure and the other end of the girder construction are fixedly connected to form test joint connecting portion, and tested joint is fixedly connected with the test joint connecting portion.The utility model has the advantage of：It is simple in construction, it is fixed conveniently, can effectively reduces experimentation cost.
Description
Technical field
It the utility model is related to aircraft engine hanging joint design field, and in particular to a kind of engine hanging connects
Head test fixture.
Background technology
The joint of big load is born, its structure type and type of attachment are all complex, therefore are generally required for design zero
The experiment of part level carries out examination checking to it, and engine hanging joint is to belong to the above-mentioned joint for bearing big load.It is common to do
Method is that the position being connected with joint is simplified into box section and is connected it with joint.Need box section passing through a size during constraint
Larger gripping clamping apparatus are fixed in load wall or load track.Box section size in the test structure is larger, causes experiment to be advised
Mould is larger, and testing expenses are high, and complex operation.
Utility model content
The purpose of this utility model is to provide a kind of engine hanging joint test fixture, to solve or at least mitigate background
In the presence of technology at least one at the problem of.
To achieve these goals, the technical solution adopted in the utility model is：A kind of engine hanging joint examination is provided
Fixture is tested, comprising：
Mount structure, the mount structure are provided with anyhow staggeredly gusset, institute to have reeded shell structure in the groove
State gusset and the groove is divided into multiple unit grooves；The mount structure is provided with the first constraint ear in one end of length direction
Piece, the gusset close to the described first constraint auricle are gradual away from the direction thickness of the first constraint auricle from the first constraint auricle
Reduce, the thickness refers to the thickness in mount structure width；
Girder construction, one end of the girder construction are provided with the second constraint auricle；
The other end of the mount structure and the other end of the girder construction are fixedly connected to form test joint connecting portion, are tested
Test joint is fixedly connected with the test joint connecting portion.
Preferably, the unit groove close to the described first constraint auricle is arranged to dovetail groove, forms the waist of the dovetail groove
Direction of the thickness of biside plate from the described first constraint auricle away from the described first constraint auricle is gradually reduced, the thickness
Refer to the thickness in mount structure width.
Preferably, the gusset, which includes, is arranged on brace rod in the middle part of the mount structure width, the brace rod with
The test joint is symmetrical arranged in the two sides of mount structure.
Preferably, the brace rod is arranged to trapezium structure in the side close to the girder construction, the trapezium structure
Bottom is fixedly connected with the girder construction.
Preferably, one end that the mount structure is connected with girder construction is provided with reinforcing plate, and the reinforcing plate is in mount structure
Width both ends be symmetrical arranged, the reinforcing plate be used for fix the mount structure and girder construction.
Preferably, the girder construction is provided with ribs in width.
Preferably, the first constraint auricle and the second constraint auricle are disposed as ears chip architecture.
Preferably, the mount structure is symmetrically arranged with the first constraint auricle at the both ends of width；The girder construction exists
The both ends of width are symmetrically arranged with the second constraint auricle.
Preferably, the first constraint auricle is constrained with the second constraint auricle by bearing pin.
The beneficial effects of the utility model are：
Engine hanging joint test fixture of the present utility model only includes mount structure and girder construction, compared with prior art in
Box section structure, simple in construction, size is smaller, is fixed conveniently, and the process-cycle is short, can effectively reduce experimentation cost, shortens experiment
Cycle.
Brief description of the drawings
Fig. 1 is the structural representation of the engine hanging joint test fixture of the embodiment of the utility model one.
Fig. 2 is the other direction schematic diagram of the engine hanging joint test fixture shown in Fig. 1.
Wherein, 1- mount structures, 11- gussets, 111- brace rods, 12- unit grooves, the constraint auricles of 13- first, 2- girder constructions,
21- ribs, 3- test joints, 4- reinforcing plates.
Embodiment
To make the purpose, technical scheme and advantage that the utility model is implemented clearer, below in conjunction with the utility model
Accompanying drawing in embodiment, the technical scheme in the embodiment of the utility model is further described in more detail.In the accompanying drawings, from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Described reality
It is the utility model part of the embodiment to apply example, rather than whole embodiments.Below with reference to the embodiment of accompanying drawing description
It is exemplary, it is intended to for explaining the utility model, and it is not intended that to limitation of the present utility model.It is new based on this practicality
Embodiment in type, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belong to the scope of the utility model protection.Embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer " is based on accompanying drawing institutes
The orientation or position relationship shown, it is for only for ease of description the utility model and simplifies description, rather than indicates or imply and be signified
Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this practicality
The limitation of novel protected scope.
As shown in Figure 1 and Figure 2, a kind of engine hanging joint test fixture, includes mount structure 1 and girder construction 2.Mount structure 1
To have reeded shell structure, staggeredly gusset 11 is provided with anyhow in the groove, the groove is divided into more by gusset 11
Individual unit groove 12；The advantages of setting vertical and horizontal staggeredly gusset 11 is the intensity that can increase housing, reduces the thickness of housing, mitigates
The weight of test fixture, be advantageous to the fixation and operation of test fixture.
In the present embodiment, gusset 11 is horizontally arranged with two, is vertically arranged with three, described laterally and longitudinally relative
In the direction shown in Fig. 1.It is understood that the number of bar in length and breadth of gusset 11 can be set according to actual conditions.For example, at one
In alternative, three are horizontally arranged with, is vertically arranged with 4.It is understood that staggeredly gusset 11 is being set anyhow
When, process for convenience, can select to be transversely or longitudinally complete gusset, and relative other direction is using segmentation gusset company
Connect.
Mount structure 1 is provided with the first constraint auricle 13 in one end of length direction, close to the gusset of the first constraint auricle 13
Direction thickness from the first constraint auricle away from the first constraint auricle is gradually reduced, and the thickness refers in mount structure width
The thickness in direction；It the advantage is that, the first constraint auricle 13 is connected with fixed structure, and for supporting the test fixture, first about
Stress is concentrated at beam auricle 13, and the thickness by increasing gusset can improve the intensity at the first constraint auricle.
One end of girder construction 2 is provided with the second constraint auricle；The other end of mount structure 1 and the other end of girder construction 2 are fixed
Connection forms test joint connecting portion, and tested joint 3 is fixedly connected with the test joint connecting portion.Whole test fixture
It is connected by the first constraint auricle and the second constraint auricle with fixing device.
In the present embodiment, the first constraint auricle and the second constraint auricle are disposed as ears chip architecture.Mount structure 1 is in width
The both ends in degree direction are symmetrically arranged with the first constraint auricle；Girder construction 2 is symmetrically arranged with the second constraint at the both ends of width
Auricle.First constraint auricle is constrained with the second constraint auricle by bearing pin.It the advantage is that, it is simple in construction, it is easy to connect.
In the present embodiment, the unit groove close to the first constraint auricle 13 is arranged to dovetail groove, forms the dovetail groove
Direction of the thickness of the biside plate of waist from the described first constraint auricle away from the described first constraint auricle is gradually reduced, described
Thickness refers to the thickness in mount structure width.The biside plate of the waist of the dovetail groove corresponds in the ears chip architecture respectively
An auricle, and thickness of the biside plate of the waist of the dovetail groove at auricle is identical with the thickness of auricle, and its advantage exists
In, it is ensured that the bonding strength of auricle.It is understood that thickness of the biside plate of the waist of the dovetail groove at auricle
The thickness of auricle can also be more than.
In the present embodiment, gusset 11 includes the brace rod 111 being arranged in the middle part of the width of mount structure 1, brace rod
111 are symmetrical arranged with test joint 3 in the two sides of mount structure 1.It the advantage is that, after test joint stress, test joint
Suffered power can be transferred on mount structure 1, and brace rod 111 is used for the intensity for improving mount structure 1, due to brace rod 111 and experiment
Joint is symmetrical arranged, and brace rod 111 can preferably bear the power that test joint is transmitted.
In the present embodiment, brace rod 111 is arranged to trapezium structure, the trapezium structure in the side close to girder construction 2
Bottom be fixedly connected with the girder construction 2.It the advantage is that, add the bonding strength of mount structure 1 and girder construction 2.
In the present embodiment, mount structure 1 is provided with reinforcing plate 4 with one end that girder construction 2 is connected, and reinforcing plate 4 is in frame knot
The width both ends of structure are symmetrical arranged, and reinforcing plate 4 is used to fix mount structure 1 and girder construction 2.It is understood that mount structure 1
It can also realize that auxiliary is fixed by connecting rod with the connection end of girder construction 2.
In the present embodiment, girder construction 2 is similar to mount structure 1, is arranged to have reeded shell structure, in girder construction 2
Groove in, girder construction 2 is provided with ribs 21 in width.Length direction of the reinforcement 21 along girder construction 2 be arranged in parallel
There are two, for increasing the intensity of girder construction.
In experiment, load is applied at the earhole center of test joint 3；Apply XYZ at the auricle center on the top of mount structure 1
The constraint in three directions, apply the constraint in tri- directions of XYZ in the end of girder construction 2.Such a reduction procedure can not only reduce zero
Part size, moreover it is possible to simulate real load power transmission situation.Whole testing program load applies simply, and constraint type is convenient, experiment
The few size of part part is small, and these all greatly reduce experimentation cost.
It is last it is to be noted that：Above example is only to illustrate the technical solution of the utility model, rather than it is limited
System.Although the utility model is described in detail with reference to the foregoing embodiments, one of ordinary skill in the art should manage
Solution：It can still be modified to the technical scheme described in foregoing embodiments, or which part technical characteristic is entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the utility model
The spirit and scope of technical scheme.
Claims (9)
1. a kind of engine hanging joint test fixture, it is characterised in that include：
Mount structure (1), the mount structure are provided with anyhow staggeredly gusset to have reeded shell structure in the groove
(11), the groove is divided into multiple unit grooves (12) by the gusset (11)；The mount structure is set in one end of length direction
The first constraint auricle (13) is equipped with, the gusset close to the described first constraint auricle (13) constrains auricle away from first from first
The direction thickness of constraint auricle is gradually reduced, and the thickness refers to the thickness in mount structure width；
Girder construction (2), one end of the girder construction are provided with the second constraint auricle；
The other end of the mount structure (1) is fixedly connected to form test joint connecting portion, quilt with the other end of the girder construction (2)
Test joint (3) is surveyed to be fixedly connected with the test joint connecting portion.
2. engine hanging joint test fixture as claimed in claim 1, it is characterised in that close to the described first constraint auricle
(13) unit groove is arranged to dovetail groove, formed the waist of the dovetail groove biside plate thickness from described first constraint auricle to
The direction away from the described first constraint auricle to be gradually reduced, the thickness refers to the thickness in mount structure width.
3. engine hanging joint test fixture as claimed in claim 1, it is characterised in that the gusset (11), which includes, to be set
Brace rod (111) in the middle part of the mount structure width, the brace rod (111) is with the test joint (3) in frame knot
The two sides of structure (1) are symmetrical arranged.
4. engine hanging joint test fixture as claimed in claim 3, it is characterised in that the brace rod (111) by
The side of the nearly girder construction (2) is arranged to trapezium structure, the bottom of the trapezium structure and the fixed company of the girder construction (2)
Connect.
5. engine hanging joint test fixture as claimed in claim 4, it is characterised in that the mount structure (1) and beam knot
One end that structure (2) is connected is provided with reinforcing plate (4), and the reinforcing plate (4) is symmetrical arranged at the width both ends of mount structure,
The reinforcing plate (4) is used to fix the mount structure (1) and girder construction (2).
6. engine hanging joint test fixture as claimed in claim 1, it is characterised in that the girder construction (2) is in width
Direction is provided with ribs (21).
7. engine hanging joint test fixture as claimed in claim 5, it is characterised in that the first constraint auricle and the
Two constraint auricles are disposed as ears chip architecture.
8. engine hanging joint test fixture as claimed in claim 7, it is characterised in that the mount structure is in width
Both ends be symmetrically arranged with the first constraint auricle；The girder construction is symmetrically arranged with the second constraint ear at the both ends of width
Piece.
9. engine hanging joint test fixture as claimed in claim 8, it is characterised in that the first constraint auricle and the
Two constraint auricles are constrained by bearing pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720806294.6U CN206937145U (en) | 2017-07-05 | 2017-07-05 | A kind of engine hanging joint test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720806294.6U CN206937145U (en) | 2017-07-05 | 2017-07-05 | A kind of engine hanging joint test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206937145U true CN206937145U (en) | 2018-01-30 |
Family
ID=61366985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720806294.6U Active CN206937145U (en) | 2017-07-05 | 2017-07-05 | A kind of engine hanging joint test fixture |
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| Country | Link |
|---|---|
| CN (1) | CN206937145U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109018428A (en) * | 2018-05-07 | 2018-12-18 | 上海交通大学 | A kind of engine installation structure load-carrying properties test device |
| CN109490113A (en) * | 2018-12-12 | 2019-03-19 | 中国航空工业集团公司西安飞机设计研究所 | The testpieces and test method of aircraft engine hanging thrust pin fatigue test |
| CN109573067A (en) * | 2018-12-04 | 2019-04-05 | 中国航空工业集团公司西安飞机设计研究所 | A kind of L-type engine hanging joint |
| CN112781813A (en) * | 2020-12-29 | 2021-05-11 | 中国航空工业集团公司西安飞机设计研究所 | Head-up display random vibration test fixture |
-
2017
- 2017-07-05 CN CN201720806294.6U patent/CN206937145U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109018428A (en) * | 2018-05-07 | 2018-12-18 | 上海交通大学 | A kind of engine installation structure load-carrying properties test device |
| CN109573067A (en) * | 2018-12-04 | 2019-04-05 | 中国航空工业集团公司西安飞机设计研究所 | A kind of L-type engine hanging joint |
| CN109490113A (en) * | 2018-12-12 | 2019-03-19 | 中国航空工业集团公司西安飞机设计研究所 | The testpieces and test method of aircraft engine hanging thrust pin fatigue test |
| CN109490113B (en) * | 2018-12-12 | 2021-04-20 | 中国航空工业集团公司西安飞机设计研究所 | Test piece and test method for fatigue test of hanging thrust pin of aircraft engine |
| CN112781813A (en) * | 2020-12-29 | 2021-05-11 | 中国航空工业集团公司西安飞机设计研究所 | Head-up display random vibration test fixture |
| CN112781813B (en) * | 2020-12-29 | 2023-03-14 | 中国航空工业集团公司西安飞机设计研究所 | Head-up display random vibration test fixture |
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